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📖 The AI Tool Bible

Anthropic

San Francisco, US· founded 2021· series-e+· website ↗

Safety-forward AI lab founded by former OpenAI researchers Dario and Daniela Amodei. Ships the Claude family of models (Opus, Sonnet, Haiku) and the Claude Code developer tool. Constitutional-AI training and interpretability research are its signature technical bets.

28 tools in the directory

CL

Claude

Featured
Writing · Claude Opus / Sonnet
9.6

Anthropic's flagship assistant for long-form writing, analysis, and coding.

Freemium· Basic: $10 · Pro: $30 · Enterprise: $100long-form writingsummarization
CA

Claude Agent SDK

Agents · Claude Opus / Sonnet
8.6

Anthropic's official SDK for building autonomous Claude agents.

Free· Free SDK; API usage billed at Claude ratesClaude agentstool use
CC

Claude Code

Coding · Claude (Opus / Sonnet / Haiku)
8.2

Anthropic's agentic coding tool that reads, edits, and ships code from the terminal, IDE, or web.

Freemium· Free: $0 · Pro: $20 · Max 5x: $100 · Max 20x: $100 · Standard seat: $20agentic-codingcodebase-refactor
MS

Msty

Writing · Multi-model (Ollama, Claude, GPT, Gemini, others)
8.2

Privacy-first desktop AI workspace that runs local and cloud models side by side.

Freemium· Free: $0 · Aurum: ? · Aurum Lifetime: ? · Enterprise & Teams: Talk to uslocal-llm-chatmulti-model-comparison
1P

16x Prompt

Coding · Multi-model (BYO key)
8.0

Desktop prompt-composer for AI coding that bundles repo context, diffs, and multi-model comparison.

Freemium· Free: 10 prompts/day; paid individual and team licensesprompt-engineeringai-pair-programming
TY

TypingMind

Writing · Multi-model (GPT, Claude, Gemini, Mistral, DeepSeek, local)
7.7

BYOK chat frontend that puts GPT, Claude, Gemini, and local models behind one polished UI.

Paid· Standard: $39 · Extended: $79 · Premium: $99multi-model-chatprompt-library
TA

Tabnine

Coding · Proprietary (Tabnine-trained, on-prem capable)
7.6

Privacy-focused AI autocomplete with on-prem options.

Paid· Tabnine Code Assistant: $39 · Tabnine Agentic Platform: $59enterpriseprivacy
OP

Opik

Evaluation · Multi-model
7.3

Open-source LLM observability and evaluation platform for debugging and monitoring AI agents in production.

Freemium· Free open-source self-host; free Cloud tier (no card); Enterprise contact salesllm-tracingagent-evaluation
MT

MCP Toolbox for Databases

Agents · Multi-model
7.2

Open-source MCP server that wires AI agents and IDEs straight into 50+ production databases with auth, pooling, and observability baked in.

Free· Free and open source (Apache 2.0); self-hostedagent-database-accessmcp-server
PI

Pieces

Coding · Multi-model (BYO OpenAI, Anthropic, Gemini, Ollama)
7.2

On-device long-term memory layer that feeds your last nine months of work context into any LLM or IDE assistant.

Freemium· Pro: $18.99 · Enterprise: $22.99developer-memorycode-snippets
TA

Taskade

Agents · Multi-model (Claude, GPT, Gemini)
7.2

AI-powered workspace that turns natural-language prompts into apps, agents, and automated workflows.

Freemium· Free tier; paid plans for custom domains, more integrations, and teamsai-agentsworkflow-automation
OP

OpenClaw

Agents · Bring-your-own (Claude, GPT, others)
7.1

Open-source local AI agent that controls your computer and talks back through your messaging apps.

Free· Open source; you pay for the underlying LLM API usagepersonal-assistantshell-automation
AI

AICamp

Writing · Multi-model (GPT-5.2, Claude 4, Gemini)
7.0

Team workspace that puts GPT, Claude, and Gemini behind one admin console with shared prompts, agents, and usage controls.

Freemium· Starter free (3 users, $5 credits); Business $10/user/mo; Enterprise customteam-ai-workspacemulti-model-chat
JA

Jetwriter AI

Writing · Multi-model (GPT-5, Claude Opus/Sonnet, Gemini Pro)
7.0

Browser-based AI writing assistant that lives in Gmail, WhatsApp, LinkedIn, and Outlook and learns your past replies.

Freemium· Elite: $18 /month · Ultra: $39 /monthemail-draftinggrammar-fixing
OP

OpenCode

Coding · Multi-model (Claude, GPT, Gemini, local models, 75+ providers)
7.0

Open-source AI coding agent that runs in your terminal, IDE, or desktop and talks to 75+ LLM providers.

Freemium· Free and open source; optional paid Zen service for curated coding modelsai-pair-programmingterminal-coding-agent
OP

OpenSandbox

Agents · Model-agnostic
7.0

Open-source sandbox infrastructure for running AI-generated code, agents, and browsers in isolated Docker or Kubernetes environments.

Free· Open source (Apache 2.0); managed pricing not disclosedcode-executionagent-sandboxing
TE

TeamoRouter

Agents · Multi-model
7.0

Unified LLM gateway that brokers Claude, GPT, and Gemini through one API key with usage-based discounts.

Paid· Pay-as-you-go; rates from ~10% of model list price, avg ~19% hourly discountllm-routingmulti-model-access
WA

Whimsical AI

Writing · Claude, ChatGPT, Cursor, Codex
7.0

AI-assisted flowcharts, mind maps, and wireframes on an infinite collaborative canvas.

Freemium· Free: $0 · Pro: $10 · Business: $20flowchartsmind-mapping
GO

GoCodeo

Coding · Multi-model (Claude 3.5/3.7, Gemini 2.5 Pro, GPT-4o, o3-mini, DeepSeek-R1)
6.9

VS Code agent that builds, tests, and debugs full-stack apps across 25+ frameworks with multiple frontier LLMs.

Freemium· Hobby: Free · Starter: US $9/ month · Pro: US $19/ monthcode-generationtest-generation
ME

Melies

Video · Multi-model (Flux, Kling, Runway, Luma, Hailuo, ElevenLabs, GPT, Claude)
6.9

All-in-one AI filmmaking studio that stitches image, video, voice, and music models into a single production pipeline.

Freemium· Starter: $9/month · Pro: $49/month · Max: $99/monthai-filmmakingtext-to-video
MA

Merlin AI

Writing · Multi-model (GPT-4o, Claude 3.7, Gemini 2.5, Llama 3.1, Mistral, Deepseek)
6.9

Browser-based multi-model AI assistant that puts GPT-4, Claude, and Gemini one keystroke away on any webpage.

Freemium· Basic: $10 · Pro: $30 · Enterprise: Contact saleswebpage-summarizationyoutube-summaries
PO

Ponytail

Coding · Multi-model (overlay)
6.9

Opinionated ruleset that forces AI coding agents to write less code by reusing what already exists.

Free· Free, MIT-licensedcode-reviewagent-rulesets
CT

Cleanlab TLM

Evaluation · Multi-model (wraps any LLM)
6.8

Trustworthiness scoring layer that flags LLM hallucinations in real time.

Freemium· Free tier for evaluation; usage-based API pricing; enterprise/private deployment via saleshallucination-detectionrag-evaluation
GA

GPTHelp.ai

Agents · Multi-model (GPT / Claude)
6.8

No-code site-trained chatbot builder that swallows your URL and spits out an embeddable support widget.

Freemium· Starter: $19 · Growth: $49 · Premium: $99 · Business: $270website-chatbotcustomer-support
SU

Superset

Agents · Multi-model
6.8

Desktop code editor that orchestrates many AI coding agents in parallel using isolated Git worktrees.

Freemium· Free: $0 · Pro: $20 · Enterprise: Custom pricingparallel-coding-agentsgit-worktree-orchestration
CH

ChatSonic

Writing · Multi-model (GPT-4o, o1, Claude 3.5, Gemini)
6.7

Marketing-focused AI chat that bundles GPT-4o, Claude, and Gemini with SEO and CMS integrations.

Freemium· Starter: $79 · Basic: $199 · Growth: $399 · Enterprise: Customcontent-marketingseo-research
WA

WritingMate.ai

Writing · Multi-model (GPT-4, GPT-3.5, Claude)
6.7

Browser-side AI copilot that drops GPT-4 and Claude into Gmail, LinkedIn, and any web text field.

Freemium· Basic: $20 · Pro: $40 · Enterprise: Contact salesemail-draftingrewriting
MR

MCP Registry

Agents
6.6

Official discovery registry for Model Context Protocol servers, with a browsable UI and a public API.

Free· Free and open sourcemcp-server-discoveryagent-tooling